Avon & Somerset Police are appealing for witnesses following a tragic two-car collision on the M4 eastbound between junctions 22 (M49) and 21 (M48) yesterday morning. Emergency services were called to the scene at around 00.05 BST
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Upon arrival, officers discovered that both vehicles had left the carriageway, resulting in several casualties. The National Police Air Service and Gwent Police provided support in handling the situation.